On her ring finger.
On her LEFT hand.
But really, that couldn't possibly be an engagement ring, could it? She and her boyfriend Tyga have been dating since 2014, but the couple has largely been on-again, off-again. Then again, the 18-year-old has also jokingly been referring to Tyga as her "husband" and also recently uploaded this picture with the caption "Mr & Mrs."
Kylie has not addressed the rumors on her Twitter, and has only been talking about lipsticks, so it looks like we are safe from a never-ending news cycle of another Kardashian wedding. For now.